OK...so I've been doing lots of tactics puzzles lately and have read all the posts on the frustrating quirks about losing for making good moves since they were not the "best" moves, etc. Came across a few like that myself. Today, I came across one which actually had (and allowed) two winning sequences:
en.lichess.org/training/3148
After I won the puzzle the first time, I went into the game record to read the comments and after using the back button, I was able to try the puzzle again (no credit the second time of course) by refreshing the page and after making different moves, it allowed a win as well (moves posted in the comments). I had no idea that the tactics puzzles here even allowed for this so I found it very interesting. Not sure if this has always been a possibility or if they are tweaking things to allow more than one "correct solution" but it was nice to see.
en.lichess.org/training/3148
After I won the puzzle the first time, I went into the game record to read the comments and after using the back button, I was able to try the puzzle again (no credit the second time of course) by refreshing the page and after making different moves, it allowed a win as well (moves posted in the comments). I had no idea that the tactics puzzles here even allowed for this so I found it very interesting. Not sure if this has always been a possibility or if they are tweaking things to allow more than one "correct solution" but it was nice to see.